DE59807067D1 - FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES - Google Patents

FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES

Info

Publication number
DE59807067D1
DE59807067D1 DE59807067T DE59807067T DE59807067D1 DE 59807067 D1 DE59807067 D1 DE 59807067D1 DE 59807067 T DE59807067 T DE 59807067T DE 59807067 T DE59807067 T DE 59807067T DE 59807067 D1 DE59807067 D1 DE 59807067D1
Authority
DE
Germany
Prior art keywords
internal combustion
fuel injection
injection device
combustion engines
engines
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE59807067T
Other languages
German (de)
Inventor
Friedrich Boecking
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Application granted granted Critical
Publication of DE59807067D1 publication Critical patent/DE59807067D1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0012—Valves
    • F02M63/0014—Valves characterised by the valve actuating means
    • F02M63/0028—Valves characterised by the valve actuating means hydraulic
    • F02M63/0029—Valves characterised by the valve actuating means hydraulic using a pilot valve controlling a hydraulic chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
    • F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
    • F02M45/04—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts with a small initial part, e.g. initial part for partial load and initial and main part for full load
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0005—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using valves actuated by fluid pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M63/00—Other fuel-injection apparatus having pertinent characteristics not provided for in groups F02M39/00 - F02M57/00 or F02M67/00; Details, component parts, or accessories of fuel-injection apparatus, not provided for in, or of interest apart from, the apparatus of groups F02M39/00 - F02M61/00 or F02M67/00; Combination of fuel pump with other devices, e.g. lubricating oil pump
    • F02M63/0003—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure
    • F02M63/0007—Fuel-injection apparatus having a cyclically-operated valve for connecting a pressure source, e.g. constant pressure pump or accumulator, to an injection valve held closed mechanically, e.g. by springs, and automatically opened by fuel pressure using electrically actuated valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/70—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger
    • F02M2200/703—Linkage between actuator and actuated element, e.g. between piezoelectric actuator and needle valve or pump plunger hydraulic

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Fuel-Injection Apparatus (AREA)
DE59807067T 1997-09-24 1998-04-03 FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES Expired - Fee Related DE59807067D1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19742073A DE19742073A1 (en) 1997-09-24 1997-09-24 Fuel injection arrangement for internal combustion engines
PCT/DE1998/000945 WO1999015783A1 (en) 1997-09-24 1998-04-03 Fuel injection device for internal combustion engines

Publications (1)

Publication Number Publication Date
DE59807067D1 true DE59807067D1 (en) 2003-03-06

Family

ID=7843428

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19742073A Withdrawn DE19742073A1 (en) 1997-09-24 1997-09-24 Fuel injection arrangement for internal combustion engines
DE59807067T Expired - Fee Related DE59807067D1 (en) 1997-09-24 1998-04-03 FUEL INJECTION DEVICE FOR INTERNAL COMBUSTION ENGINES

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE19742073A Withdrawn DE19742073A1 (en) 1997-09-24 1997-09-24 Fuel injection arrangement for internal combustion engines

Country Status (7)

Country Link
US (1) US6067955A (en)
EP (1) EP0960274B1 (en)
JP (1) JP2001505976A (en)
KR (1) KR20000069080A (en)
CN (1) CN1104556C (en)
DE (2) DE19742073A1 (en)
WO (1) WO1999015783A1 (en)

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GB9914646D0 (en) * 1999-06-24 1999-08-25 Lucas Ind Plc Fuel injector
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EP1138913A1 (en) 2000-04-01 2001-10-04 Robert Bosch GmbH Method and apparatus for charging a piezoelectric element based on measured charge/discharge times
EP1138920B1 (en) * 2000-04-01 2004-11-17 Robert Bosch GmbH Control method and control apparatus for a multiple-acting valve within a fuel injection system
EP1138915B1 (en) 2000-04-01 2005-10-26 Robert Bosch GmbH Method and apparatus for determining charge quantity during charging and discharging of piezoelectric elements
EP1138903B1 (en) 2000-04-01 2004-05-26 Robert Bosch GmbH Time- and event-controlled activation system for charging and discharging piezoelectric elements
EP1138907B1 (en) 2000-04-01 2006-10-04 Robert Bosch GmbH Fuel injection system
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EP1139445A1 (en) 2000-04-01 2001-10-04 Robert Bosch GmbH Method and apparatus for diagnosing a fault in a system utilizing a piezoelectric element
EP1139449A1 (en) 2000-04-01 2001-10-04 ROBERT BOSCH GmbH Fuel injection system
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EP1138906B1 (en) 2000-04-01 2003-10-08 Robert Bosch GmbH Optimization of injection systems having piezoelectric elements by compensating for temperature dependence
DE60023265T2 (en) 2000-04-01 2006-05-24 Robert Bosch Gmbh Control of an injection system with piezoelectric elements
DE60023838T2 (en) 2000-04-01 2006-05-24 Robert Bosch Gmbh Method and apparatus for generating control parameters in a control system
DE60022619T2 (en) 2000-04-01 2006-03-16 Robert Bosch Gmbh Method and device for charging a piezoelectric element
DE60039676D1 (en) 2000-04-01 2008-09-11 Bosch Gmbh Robert Device and method for detecting a short circuit to the battery voltage during the activation of piezoelectric elements
DE60018549T2 (en) 2000-04-01 2006-04-20 Robert Bosch Gmbh fuel injection system
EP1138914B1 (en) 2000-04-01 2005-03-02 Robert Bosch GmbH Determining the piezoelectric element temperature using a model of the energy balance of the piezoelectric element
EP1138905B1 (en) 2000-04-01 2004-07-07 Robert Bosch GmbH Apparatus and method for detecting a load decrease when driving piezoelectric elements
EP1138910B1 (en) 2000-04-01 2005-03-23 Robert Bosch GmbH Control of the polarization of piezoelectric elements before each first injection to achieve optimized starting conditions
DE10016474B4 (en) * 2000-04-01 2017-05-24 Robert Bosch Gmbh Method for controlling an injection valve with a piezoelectric actuator
DE10016476A1 (en) * 2000-04-01 2001-12-06 Bosch Gmbh Robert Diagnosing voltage control for piezoelectric actuator for injection valve involves specifying tolerance band taking into account system and injection conditions
EP1139447A1 (en) 2000-04-01 2001-10-04 Robert Bosch GmbH Method and apparatus for determining a frequency compensated capacitance of piezoelectric elements
GB0008598D0 (en) * 2000-04-07 2000-05-31 Delphi Tech Inc Fuel system
DE10029297A1 (en) * 2000-06-14 2001-10-18 Bosch Gmbh Robert Valve for controling liquids has piezo actuator, dual piston hydraulic converter, valve closure element and spring element directly coupled to second piston of hydraulic converter
DE10031278A1 (en) * 2000-06-27 2002-01-17 Bosch Gmbh Robert Fuel injection device for internal combustion engines
DE10031571A1 (en) * 2000-06-29 2002-01-17 Bosch Gmbh Robert Injector with central high pressure connection
DE10031579A1 (en) * 2000-06-29 2002-01-17 Bosch Gmbh Robert Pressure controlled injector with vario register injector
DE10031733A1 (en) * 2000-06-29 2002-01-17 Bosch Gmbh Robert Common Rail System
DE10031576C2 (en) * 2000-06-29 2002-07-11 Bosch Gmbh Robert Pressure controlled injector for injecting fuel
DE10031574B4 (en) * 2000-06-29 2008-12-04 Robert Bosch Gmbh Pressure-controlled double-acting high-pressure injector
DE10032923A1 (en) * 2000-07-06 2002-01-24 Bosch Gmbh Robert Fuel injection device for internal combustion engines
DE10032924A1 (en) * 2000-07-06 2002-01-24 Bosch Gmbh Robert Fuel injection device for internal combustion engines
DE10033426B4 (en) * 2000-07-10 2004-10-14 Robert Bosch Gmbh Injector / nozzle needle combination with control room coupling
DE10036578A1 (en) * 2000-07-27 2002-02-07 Bosch Gmbh Robert Fuel injection unit for internal combustion engine has slide valve formed by cylindrical end section of control valve element and constructed as throttling section and protruding into first overflow oil chamber
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DE10046823B4 (en) * 2000-09-20 2004-07-15 L'orange Gmbh Servo control valve for injection injectors
DE10053903A1 (en) * 2000-10-31 2002-05-29 Bosch Gmbh Robert Stroke and pressure controlled injector with double slide
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DE102010023698A1 (en) 2010-06-14 2011-12-15 Continental Automotive Gmbh Injector with direct and servo drive
CN101963118B (en) * 2010-10-08 2011-12-14 中国重汽集团重庆燃油喷射系统有限公司 Control valve structure of electronically controlled fuel injector
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Also Published As

Publication number Publication date
CN1241244A (en) 2000-01-12
EP0960274B1 (en) 2003-01-29
JP2001505976A (en) 2001-05-08
CN1104556C (en) 2003-04-02
EP0960274A1 (en) 1999-12-01
KR20000069080A (en) 2000-11-25
US6067955A (en) 2000-05-30
WO1999015783A1 (en) 1999-04-01
DE19742073A1 (en) 1999-03-25

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8339 Ceased/non-payment of the annual fee